package com.song.service;

import com.song.pojo.User;

import java.util.List;

/**
 * @author TonySong
 * @date 2024/4/23 0023
 * @time 15:31
 */
public interface UserService {

    List<User> getAll();

    User getById(Integer id);

    void add(User user);



}
